USD336553SExpiredUtility

Protective helmet

41
Assignee: FIRMA KARL SCHEFFER KLUTE GMBH & COPriority: Jun 29, 1989Filed: Aug 29, 1989Granted: Jun 15, 1993
Est. expiryJun 29, 2009(expired)· nominal 20-yr term from priority
Inventors:Willi Blome
41
PatentIndex Score
8
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a protective helmet, as shown and described.

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